Rigid container gas mixing device and method based on built-in soft container

A technology for rigid containers and soft containers is applied in the field of gas mixing devices for rigid containers, which can solve the problems such as the inability to meet the needs of mixing gas preparation, and achieve the effects of saving preparation time, reducing the amount of materials used, and being convenient to manufacture.

Inactive Publication Date: 2014-05-21
汪保和
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the existing method of gas mixing in a rigid container that needs to be vacuumed can no longer meet the needs of laboratories in various fields and disciplines for the preparation of mixed gases

Method used

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  • Rigid container gas mixing device and method based on built-in soft container
  • Rigid container gas mixing device and method based on built-in soft container
  • Rigid container gas mixing device and method based on built-in soft container

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Embodiment Construction

[0030] figure 1 and figure 2 It shows an embodiment of a rigid container gas mixing device based on a built-in soft container of the present invention, the gas mixing device includes a rigid container 1, a raw material gas input assembly 2 and a gas circulation assembly 3, and the rigid container 1 is provided with a row The gas valve 11, the raw gas input assembly 2 and the gas circulation assembly 3 are respectively connected to the rigid container 1. The rigid container 1 is provided with a built-in soft container 12, and the built-in soft container 12 is externally connected to a fluid filling and discharging assembly 13. When the built-in soft container 12 is filled with When the fluid fills the inner space of the rigid container 1, the filling function of the built-in soft container 12 replaces the vacuuming operation to discharge the air in the rigid container 1, which saves energy and time, and has high reliability and safety; the entire gas mixing process can be Com...

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PUM

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Abstract

The invention discloses a rigid container gas mixing device and method based on a built-in soft container. The rigid container gas mixing device comprises a rigid container, a raw gas input assembly and a gas circulating assembly, wherein an exhaust valve is arranged on the rigid container; the built-in soft container is arranged in the rigid container; a fluid charging and discharging assembly is connected outside the built-in soft container; the built-in soft container fills the internal space of the rigid container when being full of fluid; the raw gas input assembly and the gas circulating assembly are connected with the rigid container, respectively. The device has the advantages of being energy-saving, time-saving, safe, reliable, simple in structure, low in cost and high in applicability. The gas mixing method comprises the following steps: (1) starting the exhaust valve; (2) starting the fluid charging and discharge assembly; (3) starting the raw gas input assembly; (4) cutting off the raw gas input assembly; and (5) starting the gas circulating assembly for mixing the raw gas in the rigid container fully. The method has the advantages of high mixing efficiency and high mixing precision.

Description

technical field [0001] The invention relates to a gas mixing device and method, in particular to a gas mixing device and method for a rigid container based on a built-in soft container. Background technique [0002] Rigid containers are the most commonly used mixing chambers for mixed gas formulation. In the prior art, when mixing gases in a rigid container, it is necessary to vacuumize the rigid container first, and then fill various component gases (raw material gases) into the rigid container. Among them, the vacuuming operation not only requires the container to have high pressure resistance, but also consumes a lot of energy and time. This severely limits the application of this gas distribution method in some fields, especially in laboratories that require a variety of mixed gases with fixed ratios in a short period of time. For example, ultra-clean benches or biological safety cabinets that require gas concentrations. Therefore, the existing method of gas mixing in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F3/02B01F5/00B01F23/10
Inventor 汪保和罗林紫汪凌昊刘玲
Owner 汪保和
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